/*
* Copyright (c) 2009, Active Web Solutions Limited
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1- Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2- Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3- The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
*
* THIS SOFTWARE IS PROVIDED BY Active Web Solutions Limited ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL Active Web Solutions Limited BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
package net.aws.jazure;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;

public class BlobContents {	
	
	byte[] content;
	InputStream is;
	
	public BlobContents(byte[] content){
		this.content = content;
		this.is = new ByteArrayInputStream(content);
	}
	
	
	public BlobContents(InputStream inputStream){
		this.is = inputStream;
	}
	
	/**
	 * This method will close the wrapped input stream that respresents the content.
	 * 
	 * @return
	 * @throws IOException
	 */
	public byte[] getContent() throws IOException{
		if(content != null)
			return content;
		if(is!=null){
			ByteArrayOutputStream temp= new ByteArrayOutputStream(1024);
			byte[] bytes= new byte[512];
			
			int readBytes;
			while( ( readBytes = is.read(bytes))>0){
				temp.write(bytes,0,readBytes);
			}			
			content = temp.toByteArray();
			is.close();
			temp.close();						
		}
		return content;
	}
	
	public InputStream asInputStream(){
		return is;		
	}
	
	
	

}
